CVE-2023-38538

Published: Oct 4, 2023Modified: Jun 17, 2026

5.0

Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L

Exploitability: 1.6 / Impact: 3.4

Source: NVD

Description

A race condition in an event subsystem led to a heap use-after-free issue in established audio/video calls that could have resulted in app termination or unexpected control flow with very low probability.

Affected (1)

Products: Whatsapp: Whatsapp

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Whatsapp Whatsapp	Before 2.2320.2

Related CWEs

CWE-362

Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

The product contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently.

References (2)

https://www.whatsapp.com/security/advisories/2023/

Source: cve-assign@fb.com

Vendor Advisory

https://www.whatsapp.com/security/advisories/2023/

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

Timeline

No history available yet.